/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/ToolSceneQueriesUtil.h
Test if two points are close enough to snap together. This is done by computing visual angle between points for current camera position.
true if visual angle is < threshold
namespace ToolSceneQueriesUtil { bool ToolSceneQueriesUtil::PointSnapQuery ( const [UInteractiveTool](API\Runtime\InteractiveToolsFramework\UInteractiveTool) * Tool, const FVector3d & Point1, const FVector3d & Point2, double VisualAngleThreshold ) }